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assignment 2 by Tony Woods

Page history last edited by Jameswoods 13 years, 4 months ago

1. (a) age is the independent variable and height is the dependent variable.

(c)yes so you can see the growth rate.

(d) it slowed down some then she hit a growth spurt at some point.

(e) 62 inches, by the dots on the graph and the number under the 11.

(f) it stayed constant.

 

2. (a) they are all in a crazy order.

(c) because its by student number.

(d) the height of student 2 is equal to 40 inches.

the height of student 6 is equal to 38.5 inches.

the height of student 7 is equal to 37 inches.

for what student is the height equal to 38.5? 6

(e)h(2)=41 h(6)=38.5 h(7)=37

for what values of x does h(x)=38.5? 6

 

3.(a) a function notation and j(11)=62, it means the height of the mother.

(b) y is 39, j(3)=39

(c) j(8)=53 my method was just looking at the graph on page one and it means the height of mom.

(d) j(6.5)=49.5

(e) j(10.3)=60

(f) y would increase

(g) y would stay constant

(h) can we talk about this one please?

 

4. (a) t is independent s is dependent.

(b)5 1/2 years

(c) yes so that you can see what increases and what decreases.

(d)s(1)=44 T-Shirts sold.

(e)S(3)=69 and it means T-Shirts sold.

(f)s(6)=74 and it means T-Shirts sold.

(g)S(2.4)=65 T-Shirts sold.

(h)S(4)=65

(i)S(2.2)=62

( J ) increases 3 years then decreases by 1 year and increases again.

(k) i say they increase in numbers.

 

5. (a)

x
50
100
150
200
250
9x
450
900
1350
1800
2250
y=C(x)
500
950
1400
1850
2300

 

 

x
0
1
2
3
4
5
6
...
x^2
0
1
4
9
16
25
36
...
y=d(x)=5x^2
0
5
20
45
80
125
180
...

This chart is 6.(a)

(b) can we talk about this one please?

(c) y=C(x)

(d)help me please.

(e) $653.00 I got this answer from just 67X9+50.

(f) $788.00 I got the answer from just 82X9+50.

 

6.(b)Can we talk about this please?

(c) can we also talk about this one please?

(d) can we talk about this one?

(e) each second the ball is recorded on speed and the picture would show me a picture of the ball getting more faster each picture and the graph would go up in speed.

(f) 80 and it measures seconds.

(g) can we talk about this one please?

(h)can we talk about this one please?

 

Please Mr. Wisdom i need these points to make my grade go up to like higher than a 70. Can you please HELP ME????

 

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